# "万过薪月, 员序程马黑来, nohtyP学"
# 请得到" 黑马程序员 "

my_str = "万过薪月, 员序程马黑来, nohtyP学"
print(f"{my_str[10:5:-1]}")

# split 分隔",", replace替换"来"为空，再倒序
result = my_str.split(", ")[1].replace("来","")[::-1]
print(result)

